Centrifuge tube



FIG. 1 is a front elevational view of a centrifuge tube, showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left side elevational view thereof; the opposite side elevational view being a mirror image;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a cross-sectional view thereof, taken along the line V--V of FIG. 1;

FIG. 6 is a cross-sectional view thereof, taken along the line VI--VI of FIG. 1;

FIG. 7 is a cross-sectional view thereof, taken along the line VII--VII of FIG. 2;

FIG. 8 is a front elevational view of a second embodiment of a centrifuge tube;

FIG. 9 is a top plan view thereof;

FIG. 10 is a left side elevational view thereof; the opposite side elevational view being a mirror image;

FIG. 11 is a bottom plan view thereof;

FIG. 12 is a cross-sectional view thereof, taken along the line XII--XII of FIG. 8;

FIG. 13 is a cross-sectional view thereof, taken along the line XIII--XIII of FIG. 8; and,

FIG. 14 is a cross-sectional view thereof, taken along the line XIV--XIV of FIG. 9. 

The ornamental design for a centrifuge tube, as shown and described. 